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NSN 3020-00-923-9149Government record, cited
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Gear, Spur3020-00-923-9149

NSN 3020-00-923-9149 · NIIN 009239149
FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment
Government record, cited
Also searched as  3020-00-923-9149 · 3020009239149 · NIIN 009239149 · 00-923-9149 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · 44462 · 44442
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Teeth Quantity: 114
  • Body Style: PLAIN, SOLID
  • Precision Classification: QUALITY NUMBER 12
  • Mounting Hole Nominal Diameter: 0.157 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Nominal Overall Length: 0.370 INCHES IN
  • Style Designator: PROTRUDING HUB
Identification
  • NSN: 3020-00-923-9149
  • NIIN: 009239149
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-923-9149, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-923-9149
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
StatusACTIVE
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Teeth Quantity114
Body StylePLAIN, SOLID
Precision ClassificationQUALITY NUMBER 12
Mounting Hole Nominal Diameter0.157 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Nominal Overall Length0.370 INCHES IN
Style DesignatorPROTRUDING HUB
Pitch Diameter1.1875 INCHES NOMINAL IN
Tooth FormSTANDARD
Surface TreatmentANODIZE OVERALL
Pressure Angle20.0000 DEGREES
Attachment MethodMOUNTING HOLE
Face Nominal Width0.125 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4530-01-343-3867 POSSIBLE MATCH
NOZZLE ASSEMBLY,SECONDARY,BURNER
Possible match (shared part number)
5330-01-350-717744462 POSSIBLE MATCH
GASKET
Possible match (shared part number)Brunswick Corp Dba Mercury Marine Div Mercury Marine
5120-01-429-634700944462000 POSSIBLE MATCH
SOCKET,SOCKET WRENCH
Possible match (shared part number)Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5120-01-429-6404 POSSIBLE MATCH
SOCKET,SOCKET WRENCH
Possible match (shared part number)
5305-01-549-95303005998 POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
5331-01-633-764744442 POSSIBLE MATCH
O-RING
Possible match (shared part number)Exlar Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
44462 3/2 Design control — primary reference
U.S. Government activity
44442 5/2 Secondary reference
U.S. Government activity
Related Parts
4530-01-343-3867POSSIBLE MATCH
NOZZLE ASSEMBLY,SECONDARY,BURNER
5330-01-350-7177POSSIBLE MATCH
GASKET
44462
5120-01-429-6347POSSIBLE MATCH
SOCKET,SOCKET WRENCH
00944462000
5120-01-429-6404POSSIBLE MATCH
SOCKET,SOCKET WRENCH
5305-01-549-9530POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
3005998
5331-01-633-7647POSSIBLE MATCH
O-RING
44442

Frequently Asked Questions

What is NSN 3020-00-923-9149?

NSN 3020-00-923-9149 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What NSN replaces 3020-00-923-9149?

6 possible matches (shared part number, not a government interchangeability claim): 4530-01-343-3867, 5330-01-350-7177, 5120-01-429-6347. Verify interchangeability with system specifications before substitution.

What are the specifications of 3020-00-923-9149?

Key specifications for 3020-00-923-9149: Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN; Teeth Quantity: 114; Body Style: PLAIN, SOLID; Precision Classification: QUALITY NUMBER 12. 13 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-923-9149 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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